Wristwatch case



FIG. 1 is an upper left side perspective view of the wristwatch case in accordance with my invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a wristwatch case, as shown and described. 